A happy man scans his receipt with his phone
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Editor's Note: This story originally appeared on The Penny Hoarder. We’ve got news: Your grocery receipts are a lot more valuable in your hand than in the trash. Now, I’ll be honest … I’ve crumpled more receipts than I could ever count. I used to save them all, but the inside of my wallet started looking like something George Constanza would be proud of. Once it got out of hand (like…

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